Interval 300 of section of the Sangre de Cristo Formation (Carboniferous of the United States)

Where: Fremont County County, Colorado (38.4° N, 105.8° W: paleocoordinates 0.0° N, 36.5° W)

• coordinate based on nearby landmark

When: Sangre de Cristo Formation, Moscovian (315.2 - 307.0 Ma)

• "The age is Late Pennsylvanian, probably Missourian. In European terms, the horizon would be within the lower part of the Stephanian Series." (Vaughn, 1972)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Preservation: mold/impression

Collected in 166, 1970

• Collected by a field party of the University of California, Los Angeles in the summers of 1966 and 1970 and deposited in the collections at UCLA.

Primary reference: P. P. Vaughn. 1972. More vertebrates including a new microsaur from the Upper Pennsylvanian of central Colorado. Los Angeles County Museum Contributions in Science 223:1-30 [R. Butler/E. Dunne]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 176968: authorized by Richard Butler, entered by Emma Dunne on 10.03.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Amphibia
 Microsauria - Trihecatontidae
Trihecaton howardinus n. gen. n. sp.
Trihecaton howardinus n. gen. n. sp. Vaughn 1972 tetrapod
UCLA VP 1743 (Holotype, an articulated skeleton that lacks most of the skull although maxilla and a mandible are present.), and UCLA VP 1744 (a partially articulated series of 12 caudal vertebrae with haemal arches)
Osteichthyes
 Aistopoda - Ophiderpetontidae
Coloraderpeton brilli n. gen. n. sp.
Coloraderpeton brilli n. gen. n. sp. Vaughn 1969 tetrapod
UCLA VP 1689 (Holotype, dorsal vertebra), UCLA VP 1690 (proximal part of rib, preserved portions slightly displaced along a fracture), UCLA VP 1691 (three partially articulated dorsal vertebrae with many scattered but some partially articulated osteoderms on the same small piece of matrix), and UCLA VP 1692 (many disarticulated vertebrae and osteoderms)